Also remove the unit test that tests the removed algorithms.
return reason;
}
-/*
- Propagates sunlight down through the block.
- Doesn't modify nodes that are not affected by sunlight.
-
- Returns false if sunlight at bottom block is invalid.
- Returns true if sunlight at bottom block is valid.
- Returns true if bottom block doesn't exist.
-
- If there is a block above, continues from it.
- If there is no block above, assumes there is sunlight, unless
- is_underground is set or highest node is water.
-
- All sunlighted nodes are added to light_sources.
-
- if remove_light==true, sets non-sunlighted nodes black.
-
- if black_air_left!=NULL, it is set to true if non-sunlighted
- air is left in block.
-*/
-bool MapBlock::propagateSunlight(std::set<v3s16> & light_sources,
- bool remove_light, bool *black_air_left)
-{
- INodeDefManager *nodemgr = m_gamedef->ndef();
-
- // Whether the sunlight at the top of the bottom block is valid
- bool block_below_is_valid = true;
-
- v3s16 pos_relative = getPosRelative();
-
- for(s16 x=0; x<MAP_BLOCKSIZE; x++)
- {
- for(s16 z=0; z<MAP_BLOCKSIZE; z++)
- {
-#if 1
- bool no_sunlight = false;
- //bool no_top_block = false;
-
- // Check if node above block has sunlight
-
- bool is_valid_position;
- MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z),
- &is_valid_position);
- if (is_valid_position)
- {
- if(n.getContent() == CONTENT_IGNORE)
- {
- // Trust heuristics
- no_sunlight = is_underground;
- }
- else if(n.getLight(LIGHTBANK_DAY, m_gamedef->ndef()) != LIGHT_SUN)
- {
- no_sunlight = true;
- }
- }
- else
- {
- //no_top_block = true;
-
- // NOTE: This makes over-ground roofed places sunlighted
- // Assume sunlight, unless is_underground==true
- if(is_underground)
- {
- no_sunlight = true;
- }
- else
- {
- MapNode n = getNodeNoEx(v3s16(x, MAP_BLOCKSIZE-1, z));
- if (!m_gamedef->ndef()->get(n).sunlight_propagates) {
- no_sunlight = true;
- }
- }
- // NOTE: As of now, this just would make everything dark.
- // No sunlight here
- //no_sunlight = true;
- }
-#endif
-#if 0 // Doesn't work; nothing gets light.
- bool no_sunlight = true;
- bool no_top_block = false;
- // Check if node above block has sunlight
- try{
- MapNode n = getNodeParent(v3s16(x, MAP_BLOCKSIZE, z));
- if(n.getLight(LIGHTBANK_DAY) == LIGHT_SUN)
- {
- no_sunlight = false;
- }
- }
- catch(InvalidPositionException &e)
- {
- no_top_block = true;
- }
-#endif
-
- /*std::cout<<"("<<x<<","<<z<<"): "
- <<"no_top_block="<<no_top_block
- <<", is_underground="<<is_underground
- <<", no_sunlight="<<no_sunlight
- <<std::endl;*/
-
- s16 y = MAP_BLOCKSIZE-1;
-
- // This makes difference to diminishing in water.
- bool stopped_to_solid_object = false;
-
- u8 current_light = no_sunlight ? 0 : LIGHT_SUN;
-
- for(; y >= 0; y--)
- {
- v3s16 pos(x, y, z);
- MapNode &n = getNodeRef(pos);
-
- if(current_light == 0)
- {
- // Do nothing
- }
- else if(current_light == LIGHT_SUN && nodemgr->get(n).sunlight_propagates)
- {
- // Do nothing: Sunlight is continued
- } else if (!nodemgr->get(n).light_propagates) {
- // A solid object is on the way.
- stopped_to_solid_object = true;
-
- // Light stops.
- current_light = 0;
- }
- else
- {
- // Diminish light
- current_light = diminish_light(current_light);
- }
-
- u8 old_light = n.getLight(LIGHTBANK_DAY, nodemgr);
-
- if(current_light > old_light || remove_light)
- {
- n.setLight(LIGHTBANK_DAY, current_light, nodemgr);
- }
-
- if(diminish_light(current_light) != 0)
- {
- light_sources.insert(pos_relative + pos);
- }
-
- if(current_light == 0 && stopped_to_solid_object)
- {
- if(black_air_left)
- {
- *black_air_left = true;
- }
- }
- }
-
- // Whether or not the block below should see LIGHT_SUN
- bool sunlight_should_go_down = (current_light == LIGHT_SUN);
-
- /*
- If the block below hasn't already been marked invalid:
-
- Check if the node below the block has proper sunlight at top.
- If not, the block below is invalid.
-
- Ignore non-transparent nodes as they always have no light
- */
-
- if(block_below_is_valid)
- {
- MapNode n = getNodeParent(v3s16(x, -1, z), &is_valid_position);
- if (is_valid_position) {
- if(nodemgr->get(n).light_propagates)
- {
- if(n.getLight(LIGHTBANK_DAY, nodemgr) == LIGHT_SUN
- && !sunlight_should_go_down)
- block_below_is_valid = false;
- else if(n.getLight(LIGHTBANK_DAY, nodemgr) != LIGHT_SUN
- && sunlight_should_go_down)
- block_below_is_valid = false;
- }
- }
- else
- {
- /*std::cout<<"InvalidBlockException for bottom block node"
- <<std::endl;*/
- // Just no block below, no need to panic.
- }
- }
- }
- }
-
- return block_below_is_valid;
-}
-
-
void MapBlock::copyTo(VoxelManipulator &dst)
{
v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
setNode(x0 + x, y0 + y, z0 + z, node);
}
- // See comments in mapblock.cpp
- bool propagateSunlight(std::set<v3s16> &light_sources,
- bool remove_light=false, bool *black_air_left=NULL);
-
// Copies data to VoxelManipulator to getPosRelative()
void copyTo(VoxelManipulator &dst);
void runTests(IGameDef *gamedef);
- void testPropogateSunlight(INodeDefManager *ndef);
- void testClearLightAndCollectSources(INodeDefManager *ndef);
void testVoxelLineIterator(INodeDefManager *ndef);
};
{
INodeDefManager *ndef = gamedef->getNodeDefManager();
- TEST(testPropogateSunlight, ndef);
- TEST(testClearLightAndCollectSources, ndef);
TEST(testVoxelLineIterator, ndef);
}
////////////////////////////////////////////////////////////////////////////////
-void TestVoxelAlgorithms::testPropogateSunlight(INodeDefManager *ndef)
-{
- VoxelManipulator v;
-
- for (u16 z = 0; z < 3; z++)
- for (u16 y = 0; y < 3; y++)
- for (u16 x = 0; x < 3; x++) {
- v3s16 p(x,y,z);
- v.setNodeNoRef(p, MapNode(CONTENT_AIR));
- }
-
- VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
- UASSERT(res.bottom_sunlight_valid == true);
- UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
- == LIGHT_SUN);
- }
-
- v.setNodeNoRef(v3s16(0,0,0), MapNode(t_CONTENT_STONE));
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- UASSERT(v.getNode(v3s16(1,1,1)).getLight(LIGHTBANK_DAY, ndef)
- == LIGHT_SUN);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, false, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- UASSERT(v.getNode(v3s16(2,0,2)).getLight(LIGHTBANK_DAY, ndef)
- == 0);
- }
-
- v.setNodeNoRef(v3s16(1,3,2), MapNode(t_CONTENT_STONE));
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- UASSERT(v.getNode(v3s16(1,1,2)).getLight(LIGHTBANK_DAY, ndef)
- == 0);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, false, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- UASSERT(v.getNode(v3s16(1,0,2)).getLight(LIGHTBANK_DAY, ndef)
- == 0);
- }
-
- {
- MapNode n(CONTENT_AIR);
- n.setLight(LIGHTBANK_DAY, 10, ndef);
- v.setNodeNoRef(v3s16(1,-1,2), n);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, false, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- }
-
- {
- MapNode n(CONTENT_AIR);
- n.setLight(LIGHTBANK_DAY, LIGHT_SUN, ndef);
- v.setNodeNoRef(v3s16(1,-1,2), n);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == false);
- }
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, false, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == false);
- }
-
- v.setNodeNoRef(v3s16(1,3,2), MapNode(CONTENT_IGNORE));
-
- {
- std::set<v3s16> light_sources;
- voxalgo::setLight(v, a, 0, ndef);
- voxalgo::SunlightPropagateResult res = voxalgo::propagateSunlight(
- v, a, true, light_sources, ndef);
- UASSERT(res.bottom_sunlight_valid == true);
- }
-}
-
-void TestVoxelAlgorithms::testClearLightAndCollectSources(INodeDefManager *ndef)
-{
- VoxelManipulator v;
-
- for (u16 z = 0; z < 3; z++)
- for (u16 y = 0; y < 3; y++)
- for (u16 x = 0; x < 3; x++) {
- v3s16 p(x,y,z);
- v.setNode(p, MapNode(CONTENT_AIR));
- }
-
- VoxelArea a(v3s16(0,0,0), v3s16(2,2,2));
- v.setNodeNoRef(v3s16(0,0,0), MapNode(t_CONTENT_STONE));
- v.setNodeNoRef(v3s16(1,1,1), MapNode(t_CONTENT_TORCH));
-
- {
- MapNode n(CONTENT_AIR);
- n.setLight(LIGHTBANK_DAY, 1, ndef);
- v.setNode(v3s16(1,1,2), n);
- }
-
- {
- std::set<v3s16> light_sources;
- std::map<v3s16, u8> unlight_from;
- voxalgo::clearLightAndCollectSources(v, a, LIGHTBANK_DAY,
- ndef, light_sources, unlight_from);
- //v.print(dstream, ndef, VOXELPRINT_LIGHT_DAY);
- UASSERT(v.getNode(v3s16(0,1,1)).getLight(LIGHTBANK_DAY, ndef) == 0);
- UASSERT(light_sources.find(v3s16(1,1,1)) != light_sources.end());
- UASSERT(light_sources.size() == 1);
- UASSERT(unlight_from.find(v3s16(1,1,2)) != unlight_from.end());
- UASSERT(unlight_from.size() == 1);
- }
-}
-
void TestVoxelAlgorithms::testVoxelLineIterator(INodeDefManager *ndef)
{
// Test some lines
<<volume<<" nodes"<<std::endl;*/
}
-void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
- std::set<v3s16> & light_sources, INodeDefManager *nodemgr)
-{
- VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
- addArea(voxel_area);
-
- // Loop through 6 neighbors
- for (const v3s16 &dir : g_6dirs) {
- // Get the position of the neighbor node
- v3s16 n2pos = p + dir;
-
- u32 n2i = m_area.index(n2pos);
-
- if(m_flags[n2i] & VOXELFLAG_NO_DATA)
- continue;
-
- MapNode &n2 = m_data[n2i];
-
- /*
- If the neighbor is dimmer than what was specified
- as oldlight (the light of the previous node)
- */
- u8 light2 = n2.getLight(bank, nodemgr);
- if(light2 < oldlight)
- {
- /*
- And the neighbor is transparent and it has some light
- */
- if(nodemgr->get(n2).light_propagates && light2 != 0)
- {
- /*
- Set light to 0 and add to queue
- */
-
- n2.setLight(bank, 0, nodemgr);
-
- unspreadLight(bank, n2pos, light2, light_sources, nodemgr);
-
- /*
- Remove from light_sources if it is there
- NOTE: This doesn't happen nearly at all
- */
- /*if(light_sources.find(n2pos))
- {
- std::cout<<"Removed from light_sources"<<std::endl;
- light_sources.remove(n2pos);
- }*/
- }
- }
- else{
- light_sources.insert(n2pos);
- }
- }
-}
-
-void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
- INodeDefManager *nodemgr)
-{
- VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
- addArea(voxel_area);
-
- u32 i = m_area.index(p);
-
- if(m_flags[i] & VOXELFLAG_NO_DATA)
- return;
-
- MapNode &n = m_data[i];
-
- u8 oldlight = n.getLight(bank, nodemgr);
- u8 newlight = diminish_light(oldlight);
-
- // Loop through 6 neighbors
- for (const auto &dir : g_6dirs) {
- // Get the position of the neighbor node
- v3s16 n2pos = p + dir;
-
- u32 n2i = m_area.index(n2pos);
-
- if(m_flags[n2i] & VOXELFLAG_NO_DATA)
- continue;
-
- MapNode &n2 = m_data[n2i];
-
- u8 light2 = n2.getLight(bank, nodemgr);
-
- /*
- If the neighbor is brighter than the current node,
- add to list (it will light up this node on its turn)
- */
- if(light2 > undiminish_light(oldlight))
- {
- spreadLight(bank, n2pos, nodemgr);
- }
- /*
- If the neighbor is dimmer than how much light this node
- would spread on it, add to list
- */
- if(light2 < newlight)
- {
- if(nodemgr->get(n2).light_propagates)
- {
- n2.setLight(bank, newlight, nodemgr);
- spreadLight(bank, n2pos, nodemgr);
- }
- }
- }
-}
-
-
const MapNode VoxelManipulator::ContentIgnoreNode = MapNode(CONTENT_IGNORE);
-/*
- Lights neighbors of from_nodes, collects all them and then
- goes on recursively.
-*/
-void VoxelManipulator::spreadLight(enum LightBank bank,
- std::set<v3s16> & from_nodes, INodeDefManager *nodemgr)
-{
- if(from_nodes.empty())
- return;
-
- std::set<v3s16> lighted_nodes;
-
- for (const v3s16 &pos : from_nodes) {
- VoxelArea voxel_area(pos - v3s16(1,1,1), pos + v3s16(1,1,1));
- addArea(voxel_area);
-
- u32 i = m_area.index(pos);
-
- if(m_flags[i] & VOXELFLAG_NO_DATA)
- continue;
-
- MapNode &n = m_data[i];
-
- u8 oldlight = n.getLight(bank, nodemgr);
- u8 newlight = diminish_light(oldlight);
-
- // Loop through 6 neighbors
- for (const v3s16 &dir : g_6dirs) {
- // Get the position of the neighbor node
- v3s16 n2pos = pos + dir;
-
- try
- {
- u32 n2i = m_area.index(n2pos);
-
- if(m_flags[n2i] & VOXELFLAG_NO_DATA)
- continue;
-
- MapNode &n2 = m_data[n2i];
-
- u8 light2 = n2.getLight(bank, nodemgr);
-
- /*
- If the neighbor is brighter than the current node,
- add to list (it will light up this node on its turn)
- */
- if(light2 > undiminish_light(oldlight))
- {
- lighted_nodes.insert(n2pos);
- }
- /*
- If the neighbor is dimmer than how much light this node
- would spread on it, add to list
- */
- if(light2 < newlight)
- {
- if(nodemgr->get(n2).light_propagates)
- {
- n2.setLight(bank, newlight, nodemgr);
- lighted_nodes.insert(n2pos);
- }
- }
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- }
- }
-
- /*dstream<<"spreadLight(): Changed block "
- <<blockchangecount<<" times"
- <<" for "<<from_nodes.size()<<" nodes"
- <<std::endl;*/
-
- if(!lighted_nodes.empty())
- spreadLight(bank, lighted_nodes, nodemgr);
-}
-
//END
void clearFlag(u8 flag);
- // TODO: Move to voxelalgorithms.h
-
- void unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
- std::set<v3s16> & light_sources, INodeDefManager *nodemgr);
-
- void spreadLight(enum LightBank bank, v3s16 p, INodeDefManager *nodemgr);
- void spreadLight(enum LightBank bank,
- std::set<v3s16> & from_nodes, INodeDefManager *nodemgr);
-
/*
Member variables
*/
namespace voxalgo
{
-void setLight(VoxelManipulator &v, VoxelArea a, u8 light,
- INodeDefManager *ndef)
-{
- for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
- for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
- for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
- {
- v3s16 p(x,y,z);
- MapNode &n = v.getNodeRefUnsafe(p);
- n.setLight(LIGHTBANK_DAY, light, ndef);
- n.setLight(LIGHTBANK_NIGHT, light, ndef);
- }
-}
-
-void clearLightAndCollectSources(VoxelManipulator &v, VoxelArea a,
- enum LightBank bank, INodeDefManager *ndef,
- std::set<v3s16> & light_sources,
- std::map<v3s16, u8> & unlight_from)
-{
- // The full area we shall touch
- VoxelArea required_a = a;
- required_a.pad(v3s16(0,0,0));
- // Make sure we have access to it
- v.addArea(a);
-
- for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
- for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
- for(s32 y=a.MinEdge.Y; y<=a.MaxEdge.Y; y++)
- {
- v3s16 p(x,y,z);
- MapNode &n = v.getNodeRefUnsafe(p);
- u8 oldlight = n.getLight(bank, ndef);
- n.setLight(bank, 0, ndef);
-
- // If node sources light, add to list
- u8 source = ndef->get(n).light_source;
- if(source != 0)
- light_sources.insert(p);
-
- // Collect borders for unlighting
- if((x==a.MinEdge.X || x == a.MaxEdge.X
- || y==a.MinEdge.Y || y == a.MaxEdge.Y
- || z==a.MinEdge.Z || z == a.MaxEdge.Z)
- && oldlight != 0)
- {
- unlight_from[p] = oldlight;
- }
- }
-}
-
-SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
- bool inexistent_top_provides_sunlight,
- std::set<v3s16> & light_sources,
- INodeDefManager *ndef)
-{
- // Return values
- bool bottom_sunlight_valid = true;
-
- // The full area we shall touch extends one extra at top and bottom
- VoxelArea required_a = a;
- required_a.pad(v3s16(0,1,0));
- // Make sure we have access to it
- v.addArea(a);
-
- s16 max_y = a.MaxEdge.Y;
- s16 min_y = a.MinEdge.Y;
-
- for(s32 x=a.MinEdge.X; x<=a.MaxEdge.X; x++)
- for(s32 z=a.MinEdge.Z; z<=a.MaxEdge.Z; z++)
- {
- v3s16 p_overtop(x, max_y+1, z);
- bool overtop_has_sunlight = false;
- // If overtop node does not exist, trust heuristics
- if(!v.exists(p_overtop))
- overtop_has_sunlight = inexistent_top_provides_sunlight;
- else if(v.getNodeRefUnsafe(p_overtop).getContent() == CONTENT_IGNORE)
- overtop_has_sunlight = inexistent_top_provides_sunlight;
- // Otherwise refer to it's light value
- else
- overtop_has_sunlight = (v.getNodeRefUnsafe(p_overtop).getLight(
- LIGHTBANK_DAY, ndef) == LIGHT_SUN);
-
- // Copy overtop's sunlight all over the place
- u8 incoming_light = overtop_has_sunlight ? LIGHT_SUN : 0;
- for(s32 y=max_y; y>=min_y; y--)
- {
- v3s16 p(x,y,z);
- MapNode &n = v.getNodeRefUnsafe(p);
- if(incoming_light == 0){
- // Do nothing
- } else if(incoming_light == LIGHT_SUN &&
- ndef->get(n).sunlight_propagates){
- // Do nothing
- } else if(!ndef->get(n).sunlight_propagates){
- incoming_light = 0;
- } else {
- incoming_light = diminish_light(incoming_light);
- }
- u8 old_light = n.getLight(LIGHTBANK_DAY, ndef);
-
- if(incoming_light > old_light)
- n.setLight(LIGHTBANK_DAY, incoming_light, ndef);
-
- if(diminish_light(incoming_light) != 0)
- light_sources.insert(p);
- }
-
- // Check validity of sunlight at top of block below if it
- // hasn't already been proven invalid
- if(bottom_sunlight_valid)
- {
- bool sunlight_should_continue_down = (incoming_light == LIGHT_SUN);
- v3s16 p_overbottom(x, min_y-1, z);
- if(!v.exists(p_overbottom) ||
- v.getNodeRefUnsafe(p_overbottom
- ).getContent() == CONTENT_IGNORE){
- // Is not known, cannot compare
- } else {
- bool overbottom_has_sunlight = (v.getNodeRefUnsafe(p_overbottom
- ).getLight(LIGHTBANK_DAY, ndef) == LIGHT_SUN);
- if(sunlight_should_continue_down != overbottom_has_sunlight){
- bottom_sunlight_valid = false;
- }
- }
- }
- }
-
- return {bottom_sunlight_valid};
-}
-
/*!
* A direction.
* 0=X+
namespace voxalgo
{
-// TODO: Move unspreadLight and spreadLight from VoxelManipulator to here
-
-void setLight(VoxelManipulator &v, VoxelArea a, u8 light,
- INodeDefManager *ndef);
-
-void clearLightAndCollectSources(VoxelManipulator &v, VoxelArea a,
- enum LightBank bank, INodeDefManager *ndef,
- std::set<v3s16> & light_sources,
- std::map<v3s16, u8> & unlight_from);
-
-struct SunlightPropagateResult
-{
- bool bottom_sunlight_valid;
-
- SunlightPropagateResult(bool bottom_sunlight_valid_):
- bottom_sunlight_valid(bottom_sunlight_valid_)
- {}
-};
-
-SunlightPropagateResult propagateSunlight(VoxelManipulator &v, VoxelArea a,
- bool inexistent_top_provides_sunlight,
- std::set<v3s16> & light_sources,
- INodeDefManager *ndef);
-
/*!
* Updates the lighting on the map.
* The result will be correct only if
projects / oweals / minetest.git / commitdiff